src/insets/InsetLayout.cpp

   1 // -*- C++ -*-
   2 /**
   3  * \file InsetLayout.cpp
   4  * This file is part of LyX, the document processor.
   5  * Licence details can be found in the file COPYING.
   6  *
   7  * \author Martin Vermeer
   8  * \author Richard Heck
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "InsetLayout.h"
  16
  17 #include "ColorSet.h"
  18 #include "Lexer.h"
  19 #include "TextClass.h"
  20
  21 #include "support/debug.h"
  22 #include "support/lstrings.h"
  23
  24 #include <vector>
  25
  26 using std::string;
  27 using std::set;
  28 using std::vector;
  29
  30 namespace lyx {
  31
  32 InsetLayout::InsetLayout() :
  33         name_(from_ascii("undefined")), lyxtype_(STANDARD),
  34         labelstring_(from_ascii("UNDEFINED")), contentaslabel_(false),
  35         decoration_(DEFAULT), latextype_(NOLATEXTYPE), font_(sane_font),
  36         labelfont_(sane_font), bgcolor_(Color_error),
  37         htmlforcecss_ (false), htmlisblock_(true),
  38         multipar_(true), custompars_(true), forceplain_(false),
  39         passthru_(false), needprotect_(false), freespacing_(false),
  40         keepempty_(false), forceltr_(false), intoc_(false)
  41 {
  42         labelfont_.setColor(Color_error);
  43 }
  44
  45
  46 namespace {
  47
  48 InsetLayout::InsetDecoration translateDecoration(std::string const & str)
  49 {
  50         if (support::compare_ascii_no_case(str, "classic") == 0)
  51                 return InsetLayout::CLASSIC;
  52         if (support::compare_ascii_no_case(str, "minimalistic") == 0)
  53                 return InsetLayout::MINIMALISTIC;
  54         if (support::compare_ascii_no_case(str, "conglomerate") == 0)
  55                 return InsetLayout::CONGLOMERATE;
  56         return InsetLayout::DEFAULT;
  57 }
  58
  59 InsetLayout::InsetLaTeXType translateLaTeXType(std::string const & str)
  60 {
  61         if (support::compare_ascii_no_case(str, "command") == 0)
  62                 return InsetLayout::COMMAND;
  63         if (support::compare_ascii_no_case(str, "environment") == 0)
  64                 return InsetLayout::ENVIRONMENT;
  65         if (support::compare_ascii_no_case(str, "none") == 0)
  66                 return InsetLayout::NOLATEXTYPE;
  67         return InsetLayout::ILT_ERROR;
  68 }
  69
  70 } // namespace anon
  71
  72
  73 bool InsetLayout::read(Lexer & lex, TextClass const & tclass)
  74 {
  75         enum {
  76                 IL_BGCOLOR,
  77                 IL_CONTENTASLABEL,
  78                 IL_COPYSTYLE,
  79                 IL_COUNTER,
  80                 IL_CUSTOMPARS,
  81                 IL_DECORATION,
  82                 IL_FONT,
  83                 IL_FORCELTR,
  84                 IL_FORCEPLAIN,
  85                 IL_FREESPACING,
  86                 IL_HTMLTAG,
  87                 IL_HTMLATTR,
  88                 IL_HTMLFORCECSS,
  89                 IL_HTMLINNERTAG,
  90                 IL_HTMLINNERATTR,
  91                 IL_HTMLISBLOCK,
  92                 IL_HTMLLABEL,
  93                 IL_HTMLSTYLE,
  94                 IL_HTMLPREAMBLE,
  95                 IL_INTOC,
  96                 IL_LABELFONT,
  97                 IL_LABELSTRING,
  98                 IL_LATEXNAME,
  99                 IL_LATEXPARAM,
 100                 IL_LATEXTYPE,
 101                 IL_LYXTYPE,
 102                 IL_KEEPEMPTY,
 103                 IL_MULTIPAR,
 104                 IL_NEEDPROTECT,
 105                 IL_PASSTHRU,
 106                 IL_PREAMBLE,
 107                 IL_REQUIRES,
 108                 IL_END
 109         };
 110
 111
 112         LexerKeyword elementTags[] = {
 113                 { "bgcolor", IL_BGCOLOR },
 114                 { "contentaslabel", IL_CONTENTASLABEL },
 115                 { "copystyle", IL_COPYSTYLE },
 116                 { "counter", IL_COUNTER},
 117                 { "custompars", IL_CUSTOMPARS },
 118                 { "decoration", IL_DECORATION },
 119                 { "end", IL_END },
 120                 { "font", IL_FONT },
 121                 { "forceltr", IL_FORCELTR },
 122                 { "forceplain", IL_FORCEPLAIN },
 123                 { "freespacing", IL_FREESPACING },
 124                 { "htmlattr", IL_HTMLATTR },
 125                 { "htmlforcecss", IL_HTMLFORCECSS },
 126                 { "htmlinnerattr", IL_HTMLINNERATTR},
 127                 { "htmlinnertag", IL_HTMLINNERTAG},
 128                 { "htmlisblock", IL_HTMLISBLOCK},
 129                 { "htmllabel", IL_HTMLLABEL },
 130                 { "htmlpreamble", IL_HTMLPREAMBLE },
 131                 { "htmlstyle", IL_HTMLSTYLE },
 132                 { "htmltag", IL_HTMLTAG },
 133                 { "intoc", IL_INTOC },
 134                 { "keepempty", IL_KEEPEMPTY },
 135                 { "labelfont", IL_LABELFONT },
 136                 { "labelstring", IL_LABELSTRING },
 137                 { "latexname", IL_LATEXNAME },
 138                 { "latexparam", IL_LATEXPARAM },
 139                 { "latextype", IL_LATEXTYPE },
 140                 { "lyxtype", IL_LYXTYPE },
 141                 { "multipar", IL_MULTIPAR },
 142                 { "needprotect", IL_NEEDPROTECT },
 143                 { "passthru", IL_PASSTHRU },
 144                 { "preamble", IL_PREAMBLE },
 145                 { "requires", IL_REQUIRES }
 146         };
 147
 148         lex.pushTable(elementTags);
 149
 150         FontInfo font = inherit_font;
 151         labelfont_ = inherit_font;
 152         bgcolor_ = Color_none;
 153         bool getout = false;
 154         // whether we've read the CustomPars or ForcePlain tag
 155         // for issuing a warning in case MultiPars comes later
 156         bool readCustomOrPlain = false;
 157
 158         string tmp;
 159         while (!getout && lex.isOK()) {
 160                 int le = lex.lex();
 161                 switch (le) {
 162                 case Lexer::LEX_UNDEF:
 163                         lex.printError("Unknown InsetLayout tag");
 164                         continue;
 165                 default:
 166                         break;
 167                 }
 168                 switch (le) {
 169                 // FIXME
 170                 // Perhaps a more elegant way to deal with the next two would be the
 171                 // way this sort of thing is handled in Layout::read(), namely, by
 172                 // using the Lexer.
 173                 case IL_LYXTYPE: {
 174                         string lt;
 175                         lex >> lt;
 176                         lyxtype_ = translateLyXType(lt);
 177                         if (lyxtype_  == NOLYXTYPE)
 178                                 LYXERR0("Unknown LyXType `" << lt << "'.");
 179                         if (lyxtype_ == CHARSTYLE)
 180                                 multipar_ = false;
 181                         break;
 182                 }
 183                 case IL_LATEXTYPE:  {
 184                         string lt;
 185                         lex >> lt;
 186                         latextype_ = translateLaTeXType(lt);
 187                         if (latextype_  == ILT_ERROR)
 188                                 LYXERR0("Unknown LaTeXType `" << lt << "'.");
 189                         break;
 190                 }
 191                 case IL_LABELSTRING:
 192                         lex >> labelstring_;
 193                         break;
 194                 case IL_DECORATION:
 195                         lex >> tmp;
 196                         decoration_ = translateDecoration(tmp);
 197                         break;
 198                 case IL_LATEXNAME:
 199                         lex >> latexname_;
 200                         break;
 201                 case IL_LATEXPARAM:
 202                         lex >> tmp;
 203                         latexparam_ = support::subst(tmp, "&quot;", "\"");
 204                         break;
 205                 case IL_LABELFONT:
 206                         labelfont_ = lyxRead(lex, inherit_font);
 207                         break;
 208                 case IL_FORCELTR:
 209                         lex >> forceltr_;
 210                         break;
 211                 case IL_INTOC:
 212                         lex >> intoc_;
 213                         break;
 214                 case IL_MULTIPAR:
 215                         lex >> multipar_;
 216                         // the defaults for these depend upon multipar_
 217                         if (readCustomOrPlain)
 218                                 LYXERR0("Warning: Read MultiPar after CustomPars or ForcePlain. "
 219                                         "Previous value may be overwritten!");
 220                         readCustomOrPlain = false;
 221                         custompars_ = multipar_;
 222                         forceplain_ = !multipar_;
 223                         break;
 224                 case IL_COUNTER:
 225                         lex >> counter_;
 226                         break;
 227                 case IL_CUSTOMPARS:
 228                         lex >> custompars_;
 229                         readCustomOrPlain = true;
 230                         break;
 231                 case IL_FORCEPLAIN:
 232                         lex >> forceplain_;
 233                         break;
 234                 case IL_PASSTHRU:
 235                         lex >> passthru_;
 236                         readCustomOrPlain = true;
 237                         break;
 238                 case IL_KEEPEMPTY:
 239                         lex >> keepempty_;
 240                         break;
 241                 case IL_FREESPACING:
 242                         lex >> freespacing_;
 243                         break;
 244                 case IL_NEEDPROTECT:
 245                         lex >> needprotect_;
 246                         break;
 247                 case IL_CONTENTASLABEL:
 248                         lex >> contentaslabel_;
 249                         break;
 250                 case IL_COPYSTYLE: {     // initialize with a known style
 251                         docstring style;
 252                         lex >> style;
 253                         style = support::subst(style, '_', ' ');
 254
 255                         // We don't want to apply the algorithm in DocumentClass::insetLayout()
 256                         // here. So we do it the long way.
 257                         TextClass::InsetLayouts::const_iterator it =
 258                                         tclass.insetLayouts().find(style);
 259                         if (it != tclass.insetLayouts().end()) {
 260                                 docstring const tmpname = name_;
 261                                 this->operator=(it->second);
 262                                 name_ = tmpname;
 263                         } else {
 264                                 LYXERR0("Cannot copy unknown InsetLayout `"
 265                                         << style << "'\n"
 266                                         << "All InsetLayouts so far:");
 267                                 TextClass::InsetLayouts::const_iterator lit =
 268                                                 tclass.insetLayouts().begin();
 269                                 TextClass::InsetLayouts::const_iterator len =
 270                                                 tclass.insetLayouts().end();
 271                                 for (; lit != len; ++lit)
 272                                         lyxerr << lit->second.name() << "\n";
 273                         }
 274                         break;
 275                 }
 276
 277                 case IL_FONT: {
 278                         font_ = lyxRead(lex, inherit_font);
 279                         // If you want to define labelfont, you need to do so after
 280                         // font is defined.
 281                         labelfont_ = font_;
 282                         break;
 283                 }
 284                 case IL_BGCOLOR:
 285                         lex >> tmp;
 286                         bgcolor_ = lcolor.getFromLyXName(tmp);
 287                         break;
 288                 case IL_PREAMBLE:
 289                         preamble_ = from_utf8(lex.getLongString("EndPreamble"));
 290                         break;
 291                 case IL_HTMLTAG:
 292                         lex >> htmltag_;
 293                         break;
 294                 case IL_HTMLATTR:
 295                         lex >> htmlattr_;
 296                         break;
 297                 case IL_HTMLFORCECSS:
 298                         lex >> htmlforcecss_;
 299                         break;
 300                 case IL_HTMLINNERTAG:
 301                         lex >> htmlinnertag_;
 302                         break;
 303                 case IL_HTMLINNERATTR:
 304                         lex >> htmlinnerattr_;
 305                         break;
 306                 case IL_HTMLLABEL:
 307                         lex >> htmllabel_;
 308                         break;
 309                 case IL_HTMLISBLOCK:
 310                         lex >> htmlisblock_;
 311                         break;
 312                 case IL_HTMLSTYLE:
 313                         htmlstyle_ = from_utf8(lex.getLongString("EndHTMLStyle"));
 314                         break;
 315                 case IL_HTMLPREAMBLE:
 316                         htmlpreamble_ = from_utf8(lex.getLongString("EndPreamble"));
 317                         break;
 318                 case IL_REQUIRES: {
 319                         lex.eatLine();
 320                         vector<string> const req
 321                                 = support::getVectorFromString(lex.getString());
 322                         requires_.insert(req.begin(), req.end());
 323                         break;
 324                 }
 325                 case IL_END:
 326                         getout = true;
 327                         break;
 328                 }
 329         }
 330
 331         // Here add element to list if getout == true
 332         if (!getout)
 333                 return false;
 334
 335         // The label font is generally used as-is without
 336         // any realization against a given context.
 337         labelfont_.realize(sane_font);
 338
 339         lex.popTable();
 340         return true;
 341 }
 342
 343
 344 InsetLayout::InsetLyXType translateLyXType(std::string const & str)
 345 {
 346
 347         if (support::compare_ascii_no_case(str, "charstyle") == 0)
 348                 return InsetLayout::CHARSTYLE;
 349         if (support::compare_ascii_no_case(str, "custom") == 0)
 350                 return InsetLayout::CUSTOM;
 351         if (support::compare_ascii_no_case(str, "element") == 0)
 352                 return InsetLayout::ELEMENT;
 353         if (support::compare_ascii_no_case(str, "end") == 0)
 354                 return InsetLayout::END;
 355         if (support::compare_ascii_no_case(str, "standard") == 0)
 356                 return InsetLayout::STANDARD;
 357         return InsetLayout::NOLYXTYPE;
 358 }
 359
 360
 361 string const & InsetLayout::htmltag() const
 362 {
 363         if (htmltag_.empty())
 364                 htmltag_ = multipar_ ? "div" : "span";
 365         return htmltag_;
 366 }
 367
 368
 369 string const & InsetLayout::htmlattr() const
 370 {
 371         if (htmlattr_.empty())
 372                 htmlattr_ = "class=\"" + defaultCSSClass() + "\"";
 373         return htmlattr_;
 374 }
 375
 376
 377 string const & InsetLayout::htmlinnerattr() const
 378 {
 379         if (htmlinnerattr_.empty())
 380                 htmlinnerattr_ = "class=\"" + defaultCSSClass() + "_inner\"";
 381         return htmlinnerattr_;
 382 }
 383
 384
 385 string InsetLayout::defaultCSSClass() const
 386 {
 387         if (!defaultcssclass_.empty())
 388                 return defaultcssclass_;
 389         string d;
 390         string n = to_utf8(name());
 391         string::const_iterator it = n.begin();
 392         string::const_iterator en = n.end();
 393         for (; it != en; ++it) {
 394                 if (!isalpha(*it))
 395                         d += "_";
 396                 else if (islower(*it))
 397                         d += *it;
 398                 else
 399                         d += support::lowercase(*it);
 400         }
 401         // are there other characters we need to remove?
 402         defaultcssclass_ = d;
 403         return defaultcssclass_;
 404 }
 405
 406
 407 void InsetLayout::makeDefaultCSS() const
 408 {
 409         if (!htmldefaultstyle_.empty())
 410                 return;
 411         docstring const mainfontCSS = font_.asCSS();
 412         if (!mainfontCSS.empty())
 413                 htmldefaultstyle_ =
 414                                 from_ascii(htmltag() + "." + defaultCSSClass() + " {\n") +
 415                                 mainfontCSS + from_ascii("\n}\n");
 416 }
 417
 418
 419 docstring InsetLayout::htmlstyle() const
 420 {
 421         if (!htmlstyle_.empty() && !htmlforcecss_)
 422                 return htmlstyle_;
 423         if (htmldefaultstyle_.empty())
 424                 makeDefaultCSS();
 425         docstring retval = htmldefaultstyle_;
 426         if (!htmlstyle_.empty())
 427                 retval += '\n' + htmlstyle_ + '\n';
 428         return retval;
 429 }
 430
 431
 432 } //namespace lyx